1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "freeze_manager.h"
17
18 #include "ability_manager_client.h"
19 #include "global.h"
20 #include "res_sched_client.h"
21 #include "system_ability_definition.h"
22
23 namespace OHOS {
24 namespace MiscServices {
25 constexpr const char *INPUT_METHOD_SERVICE_SA_NAME = "inputmethod_service";
26 constexpr const char *STOP_TASK_NAME = "ReportStop";
27 constexpr std::int32_t DELAY_TIME = 3000L;
28 std::shared_ptr<AppExecFwk::EventHandler> FreezeManager::eventHandler_ = nullptr;
IsIpcNeeded(RequestType type)29 bool FreezeManager::IsIpcNeeded(RequestType type)
30 {
31 // If ime is in use, no need to request hide.
32 std::lock_guard<std::mutex> lock(mutex_);
33 return !(type == RequestType::REQUEST_HIDE && !isImeInUse_);
34 }
35
BeforeIpc(RequestType type)36 void FreezeManager::BeforeIpc(RequestType type)
37 {
38 {
39 std::lock_guard<std::mutex> lock(mutex_);
40 if (type == RequestType::START_INPUT || type == RequestType::REQUEST_SHOW) {
41 isImeInUse_ = true;
42 }
43 if (!isFrozen_) {
44 IMSA_HILOGD("not frozen already.");
45 return;
46 }
47 isFrozen_ = false;
48 }
49 ControlIme(false);
50 }
51
AfterIpc(RequestType type,bool isSuccess)52 void FreezeManager::AfterIpc(RequestType type, bool isSuccess)
53 {
54 bool shouldFreeze = false;
55 {
56 std::lock_guard<std::mutex> lock(mutex_);
57 if (type == RequestType::START_INPUT || type == RequestType::REQUEST_SHOW) {
58 isImeInUse_ = isSuccess;
59 }
60 if (type == RequestType::REQUEST_HIDE && isImeInUse_) {
61 isImeInUse_ = !isSuccess;
62 }
63 if (type == RequestType::STOP_INPUT) {
64 isImeInUse_ = false;
65 }
66 if (isFrozen_ == !isImeInUse_) {
67 IMSA_HILOGD("frozen state already: %{public}d.", isFrozen_);
68 return;
69 }
70 isFrozen_ = !isImeInUse_;
71 shouldFreeze = isFrozen_;
72 }
73 ControlIme(shouldFreeze);
74 }
75
ControlIme(bool shouldFreeze)76 void FreezeManager::ControlIme(bool shouldFreeze)
77 {
78 if (eventHandler_ == nullptr) {
79 IMSA_HILOGW("eventHandler_ is nullptr.");
80 ReportRss(shouldFreeze, pid_);
81 return;
82 }
83 if (shouldFreeze) {
84 // Delay the FREEZE report by 3s.
85 eventHandler_->PostTask(
86 [shouldFreeze, pid = pid_]() { ReportRss(shouldFreeze, pid); }, STOP_TASK_NAME, DELAY_TIME);
87 } else {
88 // Cancel the unexecuted FREEZE task.
89 eventHandler_->RemoveTask(STOP_TASK_NAME);
90 ReportRss(shouldFreeze, pid_);
91 }
92 }
93
ReportRss(bool shouldFreeze,pid_t pid)94 void FreezeManager::ReportRss(bool shouldFreeze, pid_t pid)
95 {
96 auto type = ResourceSchedule::ResType::RES_TYPE_SA_CONTROL_APP_EVENT;
97 auto status = shouldFreeze ? ResourceSchedule::ResType::SaControlAppStatus::SA_STOP_APP
98 : ResourceSchedule::ResType::SaControlAppStatus::SA_START_APP;
99 std::unordered_map<std::string, std::string> payload = { { "saId", std::to_string(INPUT_METHOD_SYSTEM_ABILITY_ID) },
100 { "saName", std::string(INPUT_METHOD_SERVICE_SA_NAME) },
101 { "extensionType", std::to_string(static_cast<int32_t>(AppExecFwk::ExtensionAbilityType::INPUTMETHOD)) },
102 { "pid", std::to_string(pid) } };
103 IMSA_HILOGD("report RSS should freeze: %{public}d.", shouldFreeze);
104 ResourceSchedule::ResSchedClient::GetInstance().ReportData(type, status, payload);
105 }
106
SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> & eventHandler)107 void FreezeManager::SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> &eventHandler)
108 {
109 eventHandler_ = eventHandler;
110 }
111
IsImeInUse()112 bool FreezeManager::IsImeInUse()
113 {
114 std::lock_guard<std::mutex> lock(mutex_);
115 return isImeInUse_;
116 }
117 } // namespace MiscServices
118 } // namespace OHOS